Head-to-head · facts checked 13 Sept 2026
Semrush vs WriterZen
Semrush uniquely has 8 features.
From
$139.95/mo (SEO plan)
Free plan
Yes
From
$75/mo - Lifetime one-time (Keyword Research plan
Free plan
No
The verdict
Semrush or WriterZen?
Section 01
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Semrush
Free
Free
Limited free account plus a 7-day free trial
SEO
$139.95/mo · $1,407.96/yr
5 websites, 500 keywords tracked daily, basic keyword research and competitor analysis, Position Tracking, Site Audit, AI visibility reports
Starter (SEO + AI Search)
$199/mo · $1,982/yr
5 websites, 500 keywords, 50 prompts tracked daily, 1 domain AI brand performance, 300 AI visibility reports/day, MCP access
Pro+ (SEO + AI Search)
$299/mo · $2,978/yr
15 websites, 1,500 keywords, 100 prompts tracked daily, historical SEO data, content optimization, keyword cannibalization analysis
Advanced (SEO + AI Search)
$549/mo · $5,468/yr
40 websites, 5,000 keywords, 200 prompts tracked daily, SEO share of voice, API data integration, maximum power tier
WriterZen
Keyword Research
$75 one-time
30,000 keyword credits, 10,000 keyword clustering, 50 keyword lists, 50 keyword lookups, Keyword Golden Filter, Revenue forecast, Team Collaboration, Content Creator, Plagiarism Checker, Topic Discovery — one-time lifetime purchase
All-In-One Basic
$150 one-time
30,000 keyword credits, 10,000 keyword clustering, 50 articles/month, Unlimited AI writing, Unlimited plagiarism check, 50 keyword lookups, Unlimited topic lookup, Team Collaboration — one-time lifetime purchase
All-In-One Advanced
$225 one-time
50,000 keyword credits, 10,000 keyword clustering, 100 keyword lists, 100 articles/month, Unlimited AI writing, Unlimited plagiarism check, 100 keyword lookups, Unlimited topic lookup, Team Collaboration + 2 extra member seats — one-time lifetime purchase
Enterprise
Custom
Unlimited AI writing icon, Unlimited words check icon, Unlimited topic lookup icon, Unlimited member seats
10,000 Keyword Credits
$19
Keyword credits are used for Golden Score Keyword Filtering and Keyword Clustering function.
20,000 Keyword Credits
$29
Keyword credits are used for Golden Score Keyword Filtering and Keyword Clustering function.
50,000 Keyword Credits
$49
Keyword credits are used for Golden Score Keyword Filtering and Keyword Clustering function.
100,000 Keyword Credits
$99
Keyword credits are used for Golden Score Keyword Filtering and Keyword Clustering function.
60 Google NLP Credit
$19
NLP credits are used for Google NLP Analysis.
180 Google NLP Credit
$49
NLP credits are used for Google NLP Analysis.
600 Google NLP Credit
$149
NLP credits are used for Google NLP Analysis.
For everything else about each tool, read the full Semrush review and WriterZen review.
Side by side
| Company | ||
| Founded | 2008 | 2021 |
| HQ | Boston, USA | Singapore |
| AI model | Proprietary | GPT-4 (OpenAI) |
| User base | 10M+ users | 12,930+ marketing teams, SEOs, and agencies |
| Platforms | Web, Chrome Extension, iOS, Android | Web |
| Languages | 25+ | English primarily, multi-language keyword research supported |
| Pricing | ||
| Pricing model | Subscription | Subscription |
| Free plan | Yes, limited free account available | No |
| Free trial | Yes — 7 days | Yes — 15 days, no credit card required |
| Starting price | $139.95/mo (SEO plan) | $75/mo - Lifetime one-time (Keyword Research plan |
| Enterprise | Custom — request demo | Custom — contact for fully customized solutions with unlimited AI writing, unlimited words check, unlimited topic lookup, unlimited member seats |
| Refund policy | — | 21-day money-back guarantee |
| All plans | Free — Free SEO — $139.95/mo Starter (SEO + AI Search) — $199/mo Pro+ (SEO + AI Search) — $299/mo Advanced (SEO + AI Search) — $549/mo | Keyword Research — $75 one-time one-time All-In-One Basic — $150 one-time one-time All-In-One Advanced — $225 one-time one-time Enterprise — Custom 10,000 Keyword Credits — $19 20,000 Keyword Credits — $29 50,000 Keyword Credits — $49 100,000 Keyword Credits — $99 60 Google NLP Credit — $19 180 Google NLP Credit — $49 600 Google NLP Credit — $149 |
| Positioning | ||
| Best for | SEO professionals, digital marketers, agencies, and enterprises seeking comprehensive search visibility and AI search monitoring | SEO specialists, content marketers, and agencies needing an all-in-one keyword research and content creation workflow |
| Differentiator | Semrush One unifies traditional SEO and AI search visibility (LLM citation tracking) on a single platform built on 17 years of search intelligence, with 28B keywords, 43T backlinks, and 317M+ LLM prompts monitored. | Lifetime one-time pricing model that eliminates recurring SaaS fees while delivering an end-to-end SEO workflow from topic discovery and keyword clustering through GPT-powered AI content creation with a unique Keyword Golden Ratio filter |
| Competitors | Ahrefs, Moz, Mangools, SE Ranking, Surfer SEO, BrightEdge | Surfer SEO, Frase, Semrush, Ahrefs, NeuronWriter, MarketMuse |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| Backlink Analysis | ✓ | ✕ |
| Content Brief | ✓ | ✓ |
| Content Editor | ✓ | ✓ |
| GSC Integration | ✓ | ✕ |
| Keyword Clustering | ✓ | ✓ |
| Keyword Research | ✓ | ✓ |
| Long Form Writing | ✓ | ✓ |
| On Page SEO | ✓ | ✓ |
| Rank Tracking | ✓ | ✕ |
| SERP Analysis | ✓ | ✓ |
| Topic Clusters | ✓ | ✓ |
| Integrations | ||
| API Access | ✓ | ✕ |
| Chrome Extension | ✓ | ✕ |
| CMS | WordPress, Google Docs, Shopify via integrations | — |
| Google Docs | ✓ | ✕ |
| Key Integrations | Google Analytics, Google Search Console, Google Ads, Adobe (parent company), Lovable AI builder, ChatGPT, MCP access, Zapier, WordPress, Google Docs | Google (search database for keyword data); GPT/OpenAI for AI writing |
| Wordpress | ✓ | ✕ |
| Zapier | ✓ | — |
Section 02
Semrush vs WriterZen: common questions
Is Semrush or WriterZen cheaper?
Semrush's cheapest paid plan is $139.95/mo (SEO plan) and WriterZen's is $75/mo - Lifetime one-time (Keyword Research plan. Compare what each plan includes below before going on price alone.
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